Feature:Screw-on cap and wide mouth for easy pouring and comfortable drinking.Characteristics of purple clay inner cup: natural tank contains iron, calcium, potassium, sodium, zinc and other mineral elements, have the effect of mental health, at the same time can alkalify water quality is good for the health of human body weak alkaline, long-term use can balance ph value, far away from sub-health.Holding time: due to the porosity structure of violet arenaceous itself has permeability to play the effect of violet arenaceous. So the heat preservation time between two hours to three hours.Violet arenaceous belongs to porosity structure, not as a fizzy drinks and oily liquid container.Size: 6.3 x 19cm/2.48 x 7.48inch(D x H). The cup is easy to be disassembled, and the caliber is wide enough for the cup brush to go through.

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